Stéphan LEYRIS

An IoT platform is a crucial complex system with key functionalities like data processing, remote command sending, device management, OTA software updates, service subscription, connectivity, consent and authorization management, and APIs. However, building and managing an IoT platform comes with tough challenges, such as security, scalability, interoperability, and complexity. The team comprised key specialized talents in various skills, which are necessary for the design, engineering, development, and deployment of the IoT platform and cloud infrastructure required for the connected functions of our vehicles. The team establishes technical policies and ensures the design, implementation, and support of the platform and its evolutions. One Team, Six Nations: Unity in Diversity

Core business : Managing >30 IS applications and numerous interfaces/interdependencies between them, taking in account chronological constraints in the sequence of treatments of these various components and Vehicles lifecycles. Context : The vehicle's functions extend beyond its physical envelope. Information Technology is needed for complex and connected user story, to consume, process and produce relevant data and remote orders and to ensure over the air updates. These processing chains can only be seen from an end to end perspective including onboard electronics and Information System components. Missions • Ensure the design, engineering and development of IT enablers and chains. • Ensure the project management (PLAN, BUILD) and the operational management of vehicles and services connected at IT level (RUN), in interfaces with customers, after-sales, customer care and Quality tower control.

The Telecom entity ensures the design, deployment, animation and support of technical solutions implemented in its field. Within the IT infrastructure, this Telecoms entity is responsible for defining and implementing the company's Networks and Telecoms strategy. Its scope covers data and voice services. It carries and implements the company's security policy in its field.

PSA Peugeot Citroën has deployed a specific management path for experts. The Expertise missions are the following: • Operational technical advice and innovation for projects • Transfer of knowledge • Forward-looking skills management

Responsible for architectures of mobile voice, fixed voice and visioconference, the management of these components, the contracts and budgets in this area. Deployment of Skype telephony and SIP Trunk architecture.

LEAN training and Coaching for the deployment of the PSA Excellence System within the IT department.

Responsible for WAN telecom architectures of commercial and financial subsidiaries, points of sale, internet accesses, mobility, ... and also contracts and budgets in this area.

Responsible for network operations and the management of network and security components.

Responsible for WAN network architectures of R&D sites and their automotive partners and also contracts and budgets in this area. Introduction of the MPLS technology for our backbone managed by PSA group teams.

Management of IT projects, definition of network & télécoms architectures, including driving RFP/RFQ in order to choose the best technical solutions to answer the clients needs at the right cost

PSA World Perimeter / 2 000 routers and security equipments. Deployment and operational management of LAN, WAN and Security solutions to deliver a high availability of the network and security infrastructure through a 24/7 duty cycle

Cnam Cergy-Pontoise

Design and Specification of Embedded Communication Systems for space launch vehicles

Bank Domain